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Electro-Magnetism — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsElectro-Magnetism2 Marks
Question
In an a.c. generator the speed at which the coil rotates is doubled. How would this affect (a) the frequency of output voltage, (b) the maximum output voltage is doubled.
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Answer

(a)In an a.c generator, if the speed at which the coil rotates is doubled, the frequency is also doubled.
(b) Maximum output voltage is also doubled.

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